Home / 1,560,220.80-2,340,331.20-919,867.20

Finding the Fourth Proportional to 1,560,220.80, 2,340,331.20 and 919,867.20

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Solution

The fourth proportional to 1,560,220.80, 2,340,331.20 and 919,867.20 is: 1,379,800.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,220.80 : 2,340,331.20 = 919,867.20 : x
  2. Step 2: Convert to fraction form
    1,560,220.80/2,340,331.20 = 919,867.20/x
  3. Step 3: Cross multiply
    1,560,220.80x = 2,340,331.20 × 919,867.20
  4. Step 4: Simplify right side
    1,560,220.80x = 2,152,793,908,016.64
  5. Step 5: Solve for x
    x = 2,152,793,908,016.64/1,560,220.80
  6. Step 6: Final answer
    x = 1,379,800.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.